Finding the Fourth Proportional to 23,856.51, 32,887.98 and 17,139.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,856.51 : 32,887.98 = 17,139.99 : x
2. Step 2: Convert to fraction form
   23,856.51/32,887.98 = 17,139.99/x
3. Step 3: Cross multiply
   23,856.51x = 32,887.98 × 17,139.99
4. Step 4: Simplify right side
   23,856.51x = 563,699,648.32
5. Step 5: Solve for x
   x = 563,699,648.32/23,856.51
6. Step 6: Final answer
   x = 23,628.76